Asked in Auto Repair
Why is my 2017 Porsche Macan making a whistling noise?
A sourced answer about an engine-bay whistling noise in a 2017 Porsche Macan.
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Euro-Tech Motors
Expert companyLos Angeles, CaliforniaThe whistling in this Porsche Macan came from failed left and right crankcase vent valves, which created vacuum leaks in the engine’s ventilation system.
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